Scientific American Magazine Vol 69 Issue 27

Scientific American Magazine

Volume 69, Issue 27

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Features

The Explosion of High Pressure Gas Cylinders

The Alkali Metals, Potassium and Sodium

An Improved Wagon

An Improved Lathe Attachment

A New Method of Distributing Oil on Water

An Electrically Operated Switch

Making Celluloid Stereotypes Etc.

A Fine Yacht Engine

A New Jersey Pick Up Plant

The Bonta Glass Rolling Machine, Glass Grinding and Polishing Machine and Annealing Oven

Photochronography in the Medical Sciences

A Shorthand Typewriter

To Inventors

Departments

Recently Patented Inventions

Notes and Queries

Index of Inventions

Business and Personal

Index